bitcoin is very volatile
3 Volatile Technology Stocks for the Risk Taker (GOOGL, FB)You know what I love about cryptos? It can be a reserve fund, it's p2p, and you'll only need your public add plus private key. The only downsides are: scalabity, phishing, and its volatile nature.
Gold is shiny and has stable value. But you'll need to destroy the environment in order to have more of it. It's heavy and always a pain in the as* with transportation, you'll be needing four wheeled vehicle with the highest security level, plus papers.